Turtle Tower (''Tháp Rùa'') on Hoàn Kiếm Lake, the natural habitat of the turtle in central Hanoi | Hoàn Kiếm Lake | Hoan Kiem Lake | Hoàn Kiếm District | Hoan Bridge |
Kian Nikki (喜安日記, "Kian diary", a diary written by Kian, a Japanese monk served in Ryukyuan court) wrote Nago came to Nakijin to surrender, but was caputured; but an official diplomatic document included in Rekidai Hōan, said Nago leaded 1,000 samurai to fight against Japanese, but was defeated and captured.